Specifications

©Copyright 2001-2013 SD Group (Panasonic, SanDisk, Toshiba) and SD Card Association
Physical Layer Simplified Specification Version 4.10
81
4.9.4 R3 (OCR register)
Code length is 48 bits. The contents of the OCR register are sent as a response to ACMD41.
Bit position
47
46
[45:40]
[39:8]
[7:1]
0
Width (bits)
1
1
6
32
7
1
Value
'0'
'0'
'111111'
x
'1111111'
'1'
Description start bit
transmission
bit
reserved OCR register reserved end bit
Table 4-37: Response R3
4.9.5 R6 (Published RCA response)
Code length is 48 bit. The bits 45:40 indicate the index of the command to be responded to - in that
case, it will be '000011' (together with bit 5 in the status bits it means = CMD3). The 16 MSB bits of the
argument field are used for the Published RCA number.
Table 4-38: Response R6
Bit position 47 46 [45:40]
[39:8]
Argument field
[7:1] 0
Width (bits)
1
1
6
16
16
7
1
Value
'0'
'0'
x
x
x
x
'1'
Description
start bit
transmission
bit
command
index
('000011')
New
published
RCA [31:16]
of the card
[15:0] card
status bits:
23,22,19,12:0
(see Table 4-41)
CRC7
end bit